PROBLEM TO BE SOLVED: To provide a selling price management data processor for easily set and manage a selling price from the viewpoint of an indicator in terms of management in setting the selling price, especially, selling by discount. ;SOLUTION: The selling price management data processor is constituted to read the cost of a merchandise from a merchandise data file, to read the amount of merchandise stock from a stock management file and also to extract a profit rate corresponding to the stock amount which is read from the stock management file by referring to a profit rate data file. The selling price of the merchandise is calculated through the use of the read cost and the profit rate which is extracted as the one in correspondence to the read stock amount and also the calculated selling price is managed and stored as a merchandise sales price.;COPYRIGHT: (C)2003,JPO
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